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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCSD=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (Cs)

Jump to S1C2
Vibrational Frequencies calculated at CCSD=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-207.466103
Energy at 298.15K-207.469435
HF Energy-206.799813
Nuclear repulsion energy101.246637
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD=FULL/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3843 3843 43.71      
2 A 3144 3144 3.61      
3 A 3066 3066 21.01      
4 A 2320 2320 2.07      
5 A 1490 1490 2.00      
6 A 1426 1426 48.78      
7 A 1375 1375 2.89      
8 A 1229 1229 15.29      
9 A 1100 1100 94.13      
10 A 992 992 17.87      
11 A 903 903 17.57      
12 A 572 572 1.49      
13 A 372 372 44.98      
14 A 298 298 91.54      
15 A 211 211 11.46      

Unscaled Zero Point Vibrational Energy (zpe) 11170.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11170.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/aug-cc-pVDZ
ABC
1.11553 0.15764 0.14322

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.579 0.594 0.038
C2 0.831 0.111 -0.006
O3 -1.522 -0.455 -0.111
H4 -0.722 1.155 0.978
H5 -0.741 1.283 -0.803
H6 -1.414 -1.074 0.621
N7 1.935 -0.278 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49151.41871.10411.09951.95392.6613
C21.49152.42322.11462.11692.61481.1700
O31.41872.42322.10282.02750.96493.4630
H41.10412.11462.10281.78562.36153.1779
H51.09952.11692.02751.78562.83483.1965
H61.95392.61480.96492.36152.83483.4999
N72.66131.17003.46303.17793.19653.4999

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.646 C1 O3 H6 108.619
C2 C1 O3 112.723 C2 C1 H4 108.187
C2 C1 H5 108.638 O3 C1 H4 112.329
O3 C1 H5 106.560 H4 C1 H5 108.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability